- Avoid SQL queries if possible.

Fix bad default timezone format for timezone display. Would cause a bug on sites that haven't been configured completely yet.

- Small CSS change to make paragraphs more natural.

See: http://drupal.org/node/view/5741

- Added a welcome message written by Steven.

- Changed some double quotes to single quotes.

  Uses drupal_set_message() so the message doesn't interfeer with non-HTML
  formats (posting using blog API etc).

Patch 5554 by Goba (slightly modified):

  - Modifies _user_mail_text() to automatically override the default
    strings when needed and apply t() on the strings. This lets Drupal translators
    include default messages in translations, and also removes a lot of repeated code.
    Modified the internal $messageid of the approval message from
    welcome_approval_body/subject to approval_body/subject, so automatic variable
    name computation can be done. This does not affect any variable table keys, since
    the change was especially done to keep the variable names...

  - Adds %login_uri and %edit_uri to move away from the concatenation approach used in
    the default messages, thus making those messages visible for the .po extractor

  - Uses direct return in help text generation when no more action need to be taken
    on the help string (the '$output .=' approach was just plain silly looking and
    misleading, since there was no preceding or appended string in $output)

- Patch #5708 by Goba: moved the URL aliasing functions to a common place, so
  they will be part of the same documentation group, as well as created a new
  'formatting functions' group and added a lot of docs for them.  Also fixed
  some small errors reported by the doxygen parser.

- Fixed typo introduced by last archive module patch.

- Patch #5613 by Goba: fixed translation issue with archive module and removed
  some locale module code that is now part of extractor.php.

- Refined the regex to validate the input.

- Small bugfix.

- Batch two with profile module improvements:
   + Reworked the 'account administration' page.
   + Fixed bug in the 'edit account' page.
   + Removed some dead code from the system.module.

   + Tidied up the profile configuration page: grouped form elements.

   + Tidied up the block configuration settings: removed hard-coded
     table.

   + Changed the profile API to return the preferred group name, and
     changed the user module to group settings.  Modules implementing
     the _user hook will need to be udpated.

   + Removed register_form and register_validate for now.

- Patch #5501: fixed invalid HTML in the comment and tracker module.

- Usability improvement: changed 'messages' to 'logs'.

- Bug 4853: fixed invalid taxonomy query.

- Patch #5569 by mathias: fixed jumpy menu behavior with konqueror.

- Removed the 'remember me' feature.  It has been broken for many months.
  When an elegant fix is found, it will reappear.

- Code style: use constants to prevent confusing configuration options

- Added the possibility to reorder filters.  Patch by UnConeD.

- Subset of patch 5613 by Goba: fixed some translation issues.

- Fixed bug #5628: wrong timestamp in aggregator.  Patch by BartJ.

- Changed 1100+ double quotes to single quotes.

- Patch #5575 by Stefan: fixed invalid XHTML code in the node and taxonomy module.

- Patch #5418 by hba: made the Xtemplate theme fully translatable.

- Replaced a bunch of double quotes by single quotes.